PalmSource
Software DevelopmentCalifornia, United States501-1000 Employees
PalmSource is a software development company based in Sunnyvale, California. It is historically known as the creator of the PalmOS platform. In 2005, PalmSource was acquired by ACCESS CO., LTD., a Tokyo-based company specializing in Internet access technologies. The Sunnyvale office now serves as the headquarters for ACCESS Systems Americas and ACCESS Systems USA, the U.S. subsidiaries of ACCESS. The PalmOS platform defines PalmSource's historical focus within mobile software development. Since the 2005 acquisition, the Sunnyvale site has functioned as a regional hub for ACCESS Systems Americas and ACCESS Systems USA, reflecting its integration into ACCESS CO., LTD.'s structure.